text: from testflows.core import *
  from testflows.asserts import error
  
  from example.requirements import *
  
  
  @TestScenario
  @Name("select 1")
  @Requirements(RQ_SRS_001_Example_Select_1("1.0"))
  def scenario(self, node="clickhouse1"):
      """Check that ClickHouse returns 1 when user executes `SELECT 1` query."""
      node = self.context.cluster.node(node)
  
      with When("I execute query select 1"):
          r = node.query("SELECT 1").output.strip()
  
      with Then("the result should be 1"):
          assert r == "1", error()
  